Microwave apparatus and method for production of carbon materials
Assignee6K Inc.
InventorsJared Majcher, Makhlouf Redjdal, Judith Lee, Vikram Singh
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Abstract
Embodiments disclosed herein relate to a systems, methods, and apparatus for the production of solid carbon materials and carbon containing gasses. The embodiments disclosed herein may facilitate the conversion of carbon-containing gases into carbon monoxide gas and/or solid carbon materials, such as, for example graphene, carbon nanocages, and carbon nanotubes. The process is cost efficient, energy efficient, and environmentally friendly with the ability to use or recycle carbon-containing gasses to produce solid carbon products.
Claims20
A method for producing a solid carbon material using a microwave generated plasma, the method comprising:
- propagating microwaves through a microwave plasma apparatus, the microwaves generated using a microwave generator;
- injecting a plasma gas comprising carbon into the microwave plasma apparatus;
- generating the microwave generated plasma by contacting the plasma gas with the microwaves, wherein contacting the plasma gas with the microwaves pyrolyzes the plasma gas to produce oxygen (O2) gas and a carbon-containing gas;
- and
- depositing the carbon-containing gas on a substrate to form the solid carbon material.
A microwave plasma apparatus for generating a solid carbon material using a microwave generated plasma, the apparatus comprising:
- a microwave waveguide for propagating microwaves generated using a microwave generator;
- one or more gas ports for injecting a plasma gas, the one or more gas ports in communication with the microwave waveguide;
- a reaction chamber with one or more chamber walls, the reaction chamber in communication with the microwave waveguide and the one or more gas ports, the reaction chamber comprising a heating region and a deposition region, and the one or more chamber walls comprising a lining or coating comprising a material that prevents crystal growth on the one or more chamber walls;
- a substrate holder located in the deposition region of the reaction chamber, the substrate holder configured to house a substrate for depositing the solid carbon material thereon;
- and
- a gas separator in communication with the reaction chamber, the gas separator configured to separate one or more gases generated in the heating region and/or the deposition region of the reaction chamber.
A method for producing carbon monoxide using a microwave generated plasma, the method comprising:
- propagating microwaves through a microwave plasma apparatus, the microwaves generated using a microwave generator;
- injecting a plasma gas comprising carbon into the microwave plasma apparatus;
- generating the microwave generated plasma by contacting the plasma gas with the microwaves, wherein contacting the plasma gas with the microwaves pyrolyzes the plasma gas to produce carbon monoxide (CO) gas;
- and
- removing the carbon monoxide gas from the microwave plasma apparatus.
Dependencies are inferred from the claim text.